It was so clear. I live near a small airport and thought for sure that I saw a small plane crashing and burning. I could clearly see fire. The ball was not fully on fire, it looked as if the beginning of the ball was not on fire and the middle to end was on fire leaving the very end looking as if it was not on fire. It looked as if the “plane” was on fire in the middle-end. The speed was fast enough for the experience to only last up to 20-30 seconds but slow enough to see fire and to think a plane was crashing.